In Part 2 (of. Located deep in the Santa Cruz Mountains in an area known as The Forest of Nisene Marks is the actual epicenter of the Loma Prieta earthquake of 1989. This movie shows shaking intensity as the seismic waves travel away from the earthquake epicenter over time. This effort represents just one of the many ways CGS strives to fulfill its mission to provide scientific products and services about the state's geology, seismology and mineral resources—including their related hazards—that affect the health, safety, and business interests of Californians. The Loma Prieta quake was felt as far away as San Diego and western Nevada.
Currently, I serve on multiple conference advisory boards and am a frequent featured speaker at computer conferences worldwide. The San Andreas Fault is the boundary between the North American plate and the Pacific plate. Satellite map of 1989 Loma Prieta earthquake . The most notable damage included the collapse of the elevated Cypress Structure section of Interstate 880 in Oakland, the collapse of a section of roadbed on the Bay Bridge, and extensive damage to downtown Santa Cruz and San Francisco's Marina District. Despite the fact 1989 Earthquake Epicenter Area. Maps. There is still a 50 percent chance for one or more magnitude 7.0 earthquakes In the San Francisco Bay Area in the next 30 years, and the probability of a repeat of the 1906 quake is significant. The 1989 Loma Prieta earthquake occurred on California's Central Coast on October 17 at 5:04 p.m. local time. Regional Information . The Pacific plate moved 6.2 feet to the northwest and 4.3 feet upward over the North American plate during Loma Prieta. The epicenter was located near Loma Prieta peak in the Santa Cruz Mountains, approximately 14 km (9 mi) northeast of Santa Cruz and 96 km (60 mi) south-southeast of San Francisco. As devastating as Loma Prieta was, a magnitude 7.5 earthquake on the Hayward Fault in the East Bay could do $65 billion in damage. The epicenter was located near Loma Prieta peak in the Santa Cruz Mountains, approximately 14 km (9 mi) northeast of Santa … 30 years later, we revisit the earthquake through the eyes of the scientists who experienced it. In Forest of Nicene Marks State Park, a state historic sign marks the approximate Ground Zero for October 17, 1989's Loma Prieta Earthquake, a magnitude 7.1. The epicenter was on the San Andreas fault roughly 56 miles south of San Francisco and 10 miles northeast of Santa Cruz, near Mt. Fire Road to Aptos Creek Trail and back 6 miles (4.2 miles in the summer); 2-3 hours; moderate; or strenuous as an 11-mile out-and-back continuing to Five Finger Falls . It examines how the fault that generated the earthquake ruptured, searches for and evaluates precursors that may have indicated an earthquake was coming, reviews forecasts of the earthquake, and describes the geology of the earthquake area and the crustal forces... Professional Paper 1553 describes how people and organizations responded to the earthquake and how the earthquake impacted people and society. Oct. 17 marks the 25th anniversary of the 1989 Loma Prieta earthquake. 2,575 businesses were damaged and 147 were destroyed. The quake struck with a moment magnitude of 6.9 on October 17, just before the start of the third game of the World Series, which was being held at San Francisco's Candlestick Park. Please turn on JavaScript and try again. Download Event KML . Losses to these systems totaled approximated $5.9 billion. Scientists deployed an analog system to notify first responders of impending earthquake activity as they worked on rescue efforts at the Cypress Viaduct collapse in Oakland, CA. We hiked this easy ~4 mile trail with our 10 year old kid to the epicenter of the Loma Prieta Earthquake. These efforts will help reduce the impact of future large quakes in the San Francisco Bay region. Click on a pin on the map to see more information. A magnitude 5.2 aftershock occurred approximately 2.5 minutes after the main shock. Total damage and loss costs due to the earthquake were estimated to be $6 billion. The mainshock is shown as the star. 1989 Earthquake Reports and PhotographsFrom the Virtual Museum of the City of San Francisco. Also, the World Series between the San Francisco Giants and Oakland A's was postponed. Waveforms . Earthquakes . Although the M6.9 mainshock was near Loma Prieta Peak in the Santa Cruz Mountains, the shaking caused widespread damage in distant areas such as Monterey, San Francisco’s Marina … The first part is along a fire trail that was crowded with Runners and Bikers. It was a tragic reminder of the destructive power of earthquakes. Retired seismologist David Oppenheimer reflects on the first prototype earthquake early warning system used during the 1989 Loma Prieta earthquake. It gives a brief definition of each concept and its relationships. The epicenter was located approximately 14.5 km (9 mi) northeast of Santa Cruz and 96.6 km (60 mi) south-southeast of San Francisco, near Loma Prieta Peak in the Santa Cruz Mountains. Data & Products . You can help the Santa Cruz Wiki by expanding it! However, it was also a watershed moment in seismic research. On October 17, 1989, at 5:04 p.m., a magnitude 6.9 (moment magnitude; surface-wave magnitude, 7.1) earthquake severely shook the San Francisco and Monterey Bay regions. However, it was also a watershed moment in seismic research. (P.d.t.) 1989 Loma Prieta Earthquake — Here's a look back at a shot from the aftermath of the Oct 17, 1989 M6.9 Loma Prieta earthquake. You can read more about our hike through the park here. These are their stories. The shock was centered in The Forest of Nisene Marks State Park approximately 10 mi (16 km) northeast of Santa Cruz on a section of the San Andreas Fault System and was named for the nearby Loma Prieta Peak in the Santa Cruz Mountains. It's free to use and each article or document can be downloaded. It lasts a minute in a magnitude 8. DART self-activated immediately after the first shock. The last third was along a smaller hiking trail with a couple of stream crossings. 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